MySQL 8 远程 root 访问（qbit）

OS: Ubuntu 20.04
MySQL: 8.0.30

mysql -u root
mysql> use mysql;
# 查看账号信息
mysql> select user, host, authentication_string from user;
# 设置任意 ip 可使用 root 连接
mysql> update user set host='%' where user='root';
# 设置密码为 xxxx
grant all privileges on *.* to 'root'@'%' identified by 'xxxx' with grant option;